/tweak-omv-settings.sh

#!/bin/bash
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

# cpufreq settings
echo -e "OMV_CPUFREQUTILS_GOVERNOR=ondemand" >>/etc/default/openmediavault
echo -e "OMV_CPUFREQUTILS_MINSPEED=240000" >>/etc/default/openmediavault
echo -e "OMV_CPUFREQUTILS_MAXSPEED=912000" >>/etc/default/openmediavault
apt install -y cpufrequtils
echo -e "ENABLE=true\nMIN_SPEED=240000\nMAX_SPEED=912000\nGOVERNOR=ondemand" >/etc/default/cpufrequtils
sed -i '/^exit\ 0/i \
echo ondemand >/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor \
sleep 0.1 \
cd /sys/devices/system/cpu \
for i in cpufreq/ondemand cpu0/cpufreq/ondemand cpu4/cpufreq/ondemand ; do \
if [ -d $i ]; then \
echo 1 >${i}/io_is_busy \
echo 25 >${i}/up_threshold \
echo 10 >${i}/sampling_down_factor \
fi \
done \
' /etc/rc.local

# Samba settings
. /usr/share/openmediavault/scripts/helper-functions
SMB_Options="min receivefile size = 16384\nwrite cache size = 524288\ngetwd cache = yes\nsocket options = TCP_NODELAY IPTOS_LOWDELAY"
xmlstarlet ed -L -u "/config/services/smb/extraoptions" -v "$(echo -e "${SMB_Options}")" ${OMV_CONFIG_FILE}

# Disable monitoring
/usr/sbin/omv-rpc -u admin "perfstats" "set" '{"enable":false}'
/usr/sbin/omv-rpc -u admin "config" "applyChanges" '{ "modules": ["monit","rrdcached","collectd"],"force": true }'

# Tweak IO scheduler/priority
echo "* * * * * root for i in \`pgrep \"ftpd|nfsiod|smbd|afpd|cnid\"\` ; do ionice -c1 -p \$i ; done >/dev/null 2>&1" >/etc/cron.d/make_nas_processes_faster
chmod 600 /etc/cron.d/make_nas_processes_faster